Search Results
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Massanalytischer Apparate
- 1902
Apparatus according to Hodek for the rapid determination of the lime content of juices in sugar factories.
- Contributor Marpmann, Georg Friedrich Adolf, 1849-1911
- Publisher Schimmelwitz, P.
- Subject Scientific apparatus and instruments
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Luftpumpen
- Air Pumps
- 1902
Piston air pumps according to Gay-Lussac.
- Contributor Marpmann, Georg Friedrich Adolf, 1849-1911
- Publisher Schimmelwitz, P.
- Subject Scientific apparatus and instruments
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Luftpumpen
- Air Pumps
- 1902
Figures 1858 and 1859 depict pumps where the tap control is either operated by hand or is a self-acting control. The two-stage pump in figure 1860 is outfitted with Babinet's cock, and is suitable for faster working.
- Contributor Marpmann, Georg Friedrich Adolf, 1849-1911
- Publisher Schimmelwitz, P.
- Subject Scientific apparatus and instruments
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Kjeldahl's Methode [Method]
- 1902
Developed by Johan Kjeldahl in 1883, the method is used for the determination of nitrogen and carbon in organic compounds from the oxidation of substances like sulfuric acid. The apparatus shown in figure 1606 is…
- Contributor Marpmann, Georg Friedrich Adolf, 1849-1911
- Publisher Schimmelwitz, P.
- Subject Scientific apparatus and instruments
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Destillations- und Rückflusskühler
- Distillation and Reflux Condenser
- 1902
Patented by A. Landsiedl.
- Contributor Marpmann, Georg Friedrich Adolf, 1849-1911
- Publisher Schimmelwitz, P.
- Subject Scientific apparatus and instruments
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Spektroskop
- Spectroscope
- 1902
Made by Hans Heele, Berlin, Germany.
- Contributor Marpmann, Georg Friedrich Adolf, 1849-1911
- Publisher Schimmelwitz, P.
- Subject Scientific apparatus and instruments, Spectroscope
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Kühler
- Condensers
- 1902
Figures 1732 and 1733 depict Storch condensers, and figure 1734 shows a Walther condenser.
- Contributor Marpmann, Georg Friedrich Adolf, 1849-1911
- Publisher Schimmelwitz, P.
- Subject Scientific apparatus and instruments, Condensers (Steam), Condensers (Vapors and gases)
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Kathetometer
- Cathetometer
- 1902
For readings of fine scale with barometer, thermometer, eudiometer, and gas measuring tubes.
- Contributor Marpmann, Georg Friedrich Adolf, 1849-1911
- Publisher Schimmelwitz, P.
- Subject Scientific apparatus and instruments, Cathetometers
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Gaswaage
- Gas Balance
- 1902
For ascertaining the density of gases.
- Contributor Marpmann, Georg Friedrich Adolf, 1849-1911
- Publisher Schimmelwitz, P.
- Subject Scientific apparatus and instruments
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Gaserzeugungs-Apparat
- Gas Production Apparatus
- 1902
Alois Kreidl's apparatus consists of a water-pressure pump, which traverses a continuous stream of air through a mixture of light hydrocarbons.
- Contributor Marpmann, Georg Friedrich Adolf, 1849-1911
- Publisher Schimmelwitz, P.
- Subject Scientific apparatus and instruments, Kreidl, Alois, 1857-1935
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Professor Wohler
- After 1840 – before 1940
A half-length portrait of Friedrich Wöhler (1800–1882), a German chemist.
- Artist Cook, Conrad
- After L'Allemand, Conrad, 1809-1880
- Subject Wöhler, Friedrich, 1800-1882